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17257-71-5

Name (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
CAS 17257-71-5
EINECS(EC#) 241-292-1
Molecular Formula C10H9F3O3
MDL Number MFCD00064200
Molecular Weight 234.17
MOL File 17257-71-5.mol
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Chemical Properties

Appearance clear colorless viscous liquid
Melting point  46-49 °C(lit.)
alpha  D24 -71.8± 0.6° (c = 3.28 in CH3OH)
Boiling point  95-97 °C0.05 mm Hg(lit.)
density  1.303 g/mL at 25 °C(lit.)
refractive index  n20/D 1.474(lit.)
Fp  >230 °F
storage temp.  2-8°C
solubility  Readily soluble in hexane, ether, THF, CH2Cl2, benzene.
form  Viscous Liquid or Low Melting Solid
pka 1.47±0.10(Predicted)
color  Clear colorless or white
Specific Gravity 1.303
optical activity [α]20/D 73±1°, c = 2% in methanol
Sensitive  Hygroscopic
Merck  14,6280
BRN  3591561
CAS DataBase Reference 17257-71-5(CAS DataBase Reference)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  3
F  3-10
Hazard Note  Irritant/Keep Cold
HazardClass  IRRITANT, HYGROSCOPIC, KEEP COLD
HS Code  29189900

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